$contains("Hello World", /wo/i) => true. $contains("Hello World", /wo/) => false. $contains("abracadabra", /ar.*a/) => false. $contains("abracadabra", /a.*a/) => true. 
$contains("abracadabra", "bra") => true. If it is a regex, the function will return true if the regex matches the contents of str. If it is a string, the function returns true if the characters within pattern are contained contiguously within str. The pattern parameter can either be a string or a regular expression (regex). this function is invoked with one argument), then the context value is used as the value of str. Returns true if str is matched by pattern, otherwise it returns false. If not specified, it defaults to the space character. The optional char argument specifies the padding character(s) to use. If width is a positive number, then the string is padded to the right if negative, it is padded to the left. Returns a copy of the string str with extra padding, if necessary, so that its total number of characters is at least the absolute value of the width parameter. $trim(" Hello \n World ") => "Hello World". An error is thrown if str is not a string. this function is invoked with no arguments), then the context value is used as the value of str. Trailing and leading spaces are removed. Contiguous sequences of spaces are reduced to a single space. All tabs, carriage returns, and line feeds are replaced with spaces. Normalizes and trims all whitespace characters in str by applying the following steps: $lowercase("Hello World") => "hello world". Returns a string with all the characters of str converted to lowercase. $uppercase("Hello World") => "HELLO WORLD". Returns a string with all the characters of str converted to uppercase. $substringAfter("Hello World", " ") => "World". An error is thrown if str and chars are not strings. If str does not contain chars, then it returns str. this function is invoked with only one argument), then the context value is used as the value of str. 
Returns the substring after the first occurrence of the character sequence chars in str.
$substringBefore("Hello World", " ") => "Hello". Returns the substring before the first occurrence of the character sequence chars in str. $substring("Hello World", -4) => "orld". $substring("Hello World", 3, 5) => "lo Wo". $substring("Hello World", 3) => "lo World". If start is negative then it indicates the number of characters from the end of str. If length is specified, then the substring will contain maximum length characters. this function is invoked with only the numeric argument(s)), then the context value is used as the value of str. Returns a string containing the characters in the first parameter str starting at position start (zero-offset). Returns the number of characters in the string str. i.e One line per field and lines will be indented based on the field depth. If prettify is true, then "prettified" JSON is produced. this function is invoked with no arguments), then the context value is used as the value of arg. All other values are converted to a JSON string using the JSON.stringify function. Numeric infinity and NaN throw an error because they cannot be represented as a JSON number. Functions are converted to an empty string. 
JSON Examples: All of the examples use the following sample JSON code.Casts the arg parameter to a string using the following casting rules
Comparing JSON ignoring element and attribute values from both. It provides following options to compare. It mainly compare elements and attributes from both the JSONs. It quickly show the difference in your JSON data. Show the difference highligting with different color for addition, deletion and modification. JSON Comparator do compare two JSON Strings and find out the diff in JSON data. The JSON comparator supports Any JSON content fully. Just need to provide the JSON contents, it will compare and find out the differences. This utility has been built up to compare two JSON Strings / Files. JSON Comparator is used to compare two JSON files.
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